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Xilong Scientific Co., Ltd.
Tianjin Humanda Technology Development Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
Citotest Labware Manufacturing Co., Ltd.
Xiamen Ebei Import & Export Co., Ltd.
Donghai Yukang Quartz Material Co., Ltd.
Yangzhou City Tranquillity Medical Equipment Ltd.
Jinjiang Jiaxing Group Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Changzhou Operson Imp. and Exp. Co., Ltd.
Lianyungang Hongkang Quartz Products Co., Ltd.